Michael Vierheller

Michael Vierheller

Atlantic Region Leader, Risk Advisory Services


BDO McLean Office



Executive Summary

With more than 25 years of experience, Michael Vierheller is the leader of BDO’s Risk Advisory Services practice in the Greater Washington D.C. office and throughout the Atlantic region. He focuses on providing internal audit, risk advisory, Sarbanes-Oxley (SOX), and financial and information technology (IT) consulting services, which includes performing risk assessments, conducting business process analyses, and executing internal audit plans. He is also experienced in developing compliance reviews in accordance with the Sarbanes-Oxley Act, performing user acceptance testing on new system implementations, and assisting with the design, development, and execution of regulatory compliance programs.
Michael advises clients on opportunities to increase the effectiveness and efficiency of critical business processes by providing feedback on the use and costs of controls and assessing the functional performance of people, processes, and technology. He has assisted clients with the review and implementation of financial systems, as well as the development and implementation of enterprise risk management (ERM) programs.
Prior to joining BDO, Michael was a risk and advisory services partner with a Big Four accounting firm. He also has several years of experience advising clients on the effective use and implementation of technology solutions to achieve business objectives.

Professional Affiliations

American Institute of Certified Public Accountants
Institute of Internal Auditors (IIA)


B.S., Accounting, Pennsylvania State University